20401515

素因数分解:

$3^2\times 5^1\times {\mathrm{453367}}^1$

素因数の和:453378

約数の個数: 12

約数和(自身を含む): 35362704

約数和(自身を除く): 14961189

約数列:

[1, 3, 5, 9, 15, 45, 453367, 1360101, 2266835, 4080303, 6800505, 20401515]

約数ペア:

[(1, 20401515), (3, 6800505), (5, 4080303), (9, 2266835), (15, 1360101), (45, 453367)]